baber/WOPTO huggingface dataset:
Patent GB-224759-A (GB)
Title: Improvements in or relating to machines for making molded shapes from refractory material
IPC: B28B1/29
Filed: 1924-01-15
Abstract: 224,759. Refractories Machinery Manufacturing Co., and Norton, C. L. Jan. 15, 1924. Moulding-machines ; moulds; delivery; strickles.-A machine for the manufacture of moulded shapes from refractory material such as ground ganister, comprises an open mould box 73 supported upon a normally horizontal mould board 48 to receive a mould charge which is projected in the form of a dense swarm of discrete particles, means being provided for simultaneously turning the mould box and board into an inverted position to deliver the moulded shapes. As shown, the board 48 is furnished with arms 47 pivoting about a shaft 44, and the mould box 73 is furnished with similar arms 76 attached to sleeves on the shaft. A frame 31, movable vertically in guides 28, supports the shaft 44 and also carries brackets 72 adapted to support the board in normal position as shown in Fig. 5. In this position, a charge of material is projected into the mould by means such as described in Specification 162,423 and strickled by a rotary slicker 181 suspended resiliently at 182 from a frame 176 adapted to be traversed across the mould by pinions 171, 172 engaging rack rails 169, 170. An electromotor mounted on the frame 176 drives the slicker 181 and also effects the traverse through bevel gears and a clutch 193 which is automatically reversed by cam stops 197, the motor being started and stopped by a cam-controlled switch. After strickling, a pallet 209, Fig. 8, is applied to the mould and resilient clamps 80, carried by arms 78 pivoting about the shaft 44, are automatically brought into position to clamp the pallet and mould box on to the board 48. Next, the board and mould are automatically turned about the shaft 44 to deposit the pallet and mould upon supporting- members 128, the board is then returned as shown in Fig. 12, after which the frame 31 is raised by cams 36 to remove the mould 73 from the moulded shapes, and the members 128 are then lowered by cams 136, Fig. 5, to deposit the loaded pallet upon chains 163, Fig. 12, by which the loaded pallet is transported to the front of the machine. During the raising of the mould, the articles are held down on the pallet by a pivoted push-plate 105, Fig. 5, automatically brought into position. The members 44, 76, 80, and cams 36 are operated through latch and lever mechanism from a main shaft which drives the shaft 133 of the cams 136 and the chains 163 through sprockets.
Patent GB-739822-A (GB)
Title: Production of terephthalic acid
IPC: C07C51/27
Filed: 1954-01-15
Abstract: The process of the parent Specification is modified by carrying out the oxidation in two stages, first at around 100 DEG  C. to yield p-chloromethyl-benzoic acid, then after separating off this product re-oxidizing it at a temperature up to 120 DEG  C.; the process is carried out with 40-60 per cent nitric acid without the application of pressure.  The p-chloromethyl-benzoic acid may be purified by esterification and saponification before re-oxidation.  Examples are given of the process in which xylylene dichloride is oxidized with 50 per cent nitric acid.
Patent GB-1215172-A (GB)
Title: New oxime derivatives
Inventor: KRIMM HEINRICHN
Filed: 1968-01-10
Abstract: 1,215,172. Oxime derivatives. FARBENFABRIKEN BAYER A.G. 10 Jan., 1968 [10 Jan., 1967], No. 1442/68. Heading C2C. Compounds which contain the radical which may be attached to any desired radical, e.g. alkenyl, cycloalkyl, alkyl, aryl or H, are made by reacting the corresponding oximes with an excess of phosgene in the presence of at least a stoichiometric amount of a hydrogen chloride binding agent at a temperature of - 50 to + 100 C.
Patent GB-1013953-A (GB)
Title: Lowering speed control for a-c hoist
IPC: B66C13/26
Filed: 1964-01-13
Abstract: 1,013,953. Control of A.C. motors. I.T.E CIRCUIT BREAKER CO. Jan. 13, 1964 [July 5, 1963], No. 1476/64. Heading H2J. [Also in Division G3] During lowering operation of a hoist, A.C. power is connected to stator 11 so as to drive rotor 12 in the lowering direction, injected direct current through reactor 19 providing an opposing torque. The lowering speed is determined by the adjustment of potentiometer 28, providing a reference voltage opposed by the voltage developed by tachometer generator 30, the error voltage being applied to the stator circuit through amplifier 21 and reactor 19. Specification 1,000,582 is referred to.
Patent GB-1177616-A (GB)
Title: Cyclohexene Derivatives and Process for the Preparation thereof
IPC: A61K31/495
Filed: 1967-01-11
Abstract: 1,177,616. Rodenticides containing cyclohexenedicycloximides. CHINOIN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA R.T. 11 Jan., 1967 [20 Jan., 1966; 26 Jan., 1966], No. 1499/67. Heading ASE. '[Also in Division C2] Rodenticidal compositions comprise at least one compound of the general formula: or the corresponding N-unsubstituted analogues or a salt thereof (where A is -O-, -CH 2 - or =C=CR 1 R 2  or where A is replaced by hydrogen atoms in positions 3 and 6, R 1  and R 2  are phenyl or pyridyl groups which can be substituted by a nitro, amino or halo group and B is a hydrogen atom or the group -C(OH)R 1 R 2  provided that, in the N- carbamyl compounds, if A is -CH 2 -, B is not hydrogen) as active ingredient are made up in combination with suitable solid or liquid carriers and may be the form of powders, sprays, solutions, emulsions or suspension. Preferred compounds are N-carbamoyl-5-(α-hydroxy-α-Z-pyridylbenzyl)-7- (α-2-pyridylbenzylidene)-5-norbornene-2, 3-dicarboximide, N-carbamoyl-endo-cis-3, 6-epoxy-1, 2, 3, 6-tetrahydro phthalimide and N-carbamoyl-exo-7(diphenylmethylene)-5-norbornene-2, 3-dicarboximide.
Patent GB-102536-A (GB)
Title: An Improved Machine for Cracking Hard Shelled Nuts.
Inventor: KENT-JOHNSTON ARTHUR GEORGE
IPC: A23N5/00
Filed: 1916-02-04
Abstract: 102,536. Johnston, A. G. Kent-. Feb. 4, 1916. Impact pulverizers; cracking nuts.-Relates to a nut-cracking machine of the type in which the nuts are struck by rotating beaters. The beaters i are arranged on rotating disks f, g and are preferably sloping on one face, the edges being spaced apart farther than the greater diameter of the nuts being cracked. Fig. 1 shows one form of apparatus in which the disks run on a stepped vertical shaft c and are provided with bevel-wheels d, e meshing with a wheel s on the driving-shaft o. The bevel-wheels are enclosed in a central casing. The nuts are fed from a hopper u through shoots v<1>, v<2> to between the beaters, and the cracked nuts fly outwards and are stopped by a loosely hanging screen. The feeding-devices may be arranged in various ways for horizontal and vertical machines. In a modified form, the beaters may be two parallel sets of radially-disposed arms projecting from a central boss.
Patent GB-509608-A (GB)
Title: Improvements in or relating to electric synchronous-motor clocks
IPC: G04C15/00
Filed: 1938-01-18
Abstract: 509,608. Electric clocks. MORRISON, H. K. Jan. 18, 1938, No. 1684. [Class 139] Framework.-In a synchronous-motor clock, the motor and one or more steps of the reduction gearing form a separate unit and one or more of said gear steps is a noiseless or noiseabsorbing gear. The motor unit is clamped by screws 2, 2a, passing through polepieces 4, 4a into pillars 14, 15 on the rear plate A and comprises a magnet 3, of which the core is in magnetic contact with the polepieces, and a toothed rotor 5 ; the shaft 5a of the latter carries frictionally a fly-wheel 7 and rigidly a pinion 8 meshing with a wheel 9 of fibre or other soundabsorbing material. The shaft 10 of wheel 9 carries also a wheel 11 which, when the motor unit is in position, meshes with a wheel in the train between plates A and B.
Patent GB-672036-A (GB)
Title: Improvements relating to the drilling of holes
Inventor: COONAN PAUL VALENTINE
IPC: B23B49/02
Filed: 1950-01-23
Abstract: 672,036. Drilling. ENGLISH ELECTRIC CO., Ltd. Jan. 12, 1951 [Jan. 23, 1950], No. 1696/50. Class 83 (iii). Means for drilling a hole in a flat surface comprises a block 13 having a recess to receive, interchangeably, means 20 for defining a point on the surface and a drill bush 21. The block 13 may be heavy enough frictionally to resist normal displacing forces, or may be a magnet, or may be an electromagnet controlled by a switch 15.
Patent GB-122693-A (GB)
Title: Improvements in Propellers for Aerial and Marine Vessels.
Inventor: BIRKETT RALPH WHITEHEAD
IPC: B64C11/00
Filed: 1918-01-29
Abstract: 122,693. Birkett, R. W. Jan. 29, 1918. Propelling; stopping way. - Comprises a counter propeller or device for aerial vessels consisting chiefly of adjustable radiallydisposed blades adapted to be held to anv desired angle in relation to the longitudinal centre line of a propeller driving shaft. The parts A of the guard, usually fixed but which may be pivoted at points E, Fig. 3, are carried by the ring C and have hinged to them vanes B having levers G which engage with loops H on the toothed ring J in gear with a pinion K on the operating shaft L. Figs. 1 and 2 show the position of the ordinary propeller D in relation to the guard, while Fig. 3 also shows the position of the vanes B relatively to the parts A, when opened.
Patent GB-783607-A (GB)
Title: A diaphragm for a photometer, especially a photo-electric exposure meter
IPC: G03B7/04
Filed: 1954-01-20
Abstract: 783,607. Diaphragms. AGFA CAMERAWERK AKT-GES. Jan. 20, 1954 [May 21, 1953], No. 1763/54. Class 97(1) A continuously adjustable diaphragm for the light-accepting, aperture of a photometer, especially a photo-electric exposure meter has two or more elements each arranged for angular movement between an open position at an angle to the plane of the diaphragm aperture and a closed position parallel to the plane of the aperture in which closed position the elements overlap and not more than one element closes the aperture completely, and a common control means causes said elements to take up successively their open or closed positions. As shown, the diaphragm comprises three pairs of plates 1, 1<SP>1</SP> each covering an aperture 2 and each plate 1 has an opening 5 of area 1/64 of the area of the aperture while each plate 1<SP>1</SP> has an opening 5' which when both plates are in the closed position uncovers 1/64 of the area of the opening 5. The plates 1, 1<SP>1</SP> are pivoted about axes joining vertical pivots 3 or 3' and slots 12, 12<SP>1</SP> on the pivot arms of the plates engage pins 11, 11<SP>1</SP> on slides 10, 10<SP>1</SP> which are spring-urged against cams 8, 8<SP>1</SP> on a rack-driven shaft 7a, the cam profiles being chosen so that the plates 1<SP>1</SP> are moved to the position shown before the plates 1 are moved to open the diaphragm fully. If desired the openings 5, 5<SP>1</SP> may carry opal glass discs or other lightdiffusing material, while if it is desired to be able to reduce the illumination to zero, each plate 1<SP>1</SP> may be made completely opaque and may entirely cover the aperture 2. Instead of openings in the plates, the plate 1 may be opaque but smaller in area by 1/64 of the area of the aperture 2 while the plate 1<SP>1</SP> is larger than the plate 1 but fails to cover the aperture by 1/64 of the area uncovered by the plate 1 but in this case small changes in the initial movement of the plate 1<SP>1</SP> effect larger changes in aperture than in the arrangement shown. In a further embodiment, the plates may cover the aperture 2 completely but each has a transmission factor of 1/64.
Patent GB-725667-A (GB)
Title: Improvements in processes of photographic reproduction
IPC: G03B15/00
Filed: 1953-01-21
Abstract: 725,667. Photographic process. KODAK, Ltd. Jan. 21, 1953 [Jan. 21, 1952], No. 1826/53. Addition to 655,274. Class 98 (2). A method of photographic reproduction comprises the exposure of a substantially unhardened light-sensitive silver salt emulsion layer to a two-tone subject by the reflex-printing method, develpment in the presence of both a tanning and a non-tanning silver halide developing agent to develop a silver image in hardened colloid in the highlight regions of the layer and also a silver image in substantially unhardened colloid in the shadow regions of the layer and the transfer in the presence of moisture of at least a thin stratum of the shadow regions of the layer to a support, which may be absorbent. Either or both of the developing agents may be incorporated in the emulsion or in the alkaline solution used in the development step. The tanning developing agent may be one of those described in Specification 655,273, and the non- tanning developing agent may be 4-methoxy 1 - naphthol, N-methyl-p-aminophenol-x-sulphonic acid, p - hydroxyanilinomethanesulphonic acid, pyrogallol dimethyl ether, 1: 8 - dihydroxy - naphthalene, 2: 4 - diaminophenol, 5 - amino - 2 - hydroxytoluene sulphate, 2: 5 - diamino - toluene sulphate, p - phenylenediamine, p - aminophenol, p - methylaminophenol sulphate, or isoascorbic acid. The non-tanning developing agent may be one capable of coupling with itself during development to form a dye, e.g. 4- methoxy-1-naphthol or 1: 8-dihydroxynaphthalene. The proportion of tanning to non-tanning developing agent may be between 60: 40 and 65: 35. In an example, paper is coated with a substantially unhardened gelatino silver halide emulsion to which has been added aqueous saponin solution, a dispersion prepared by pouring a dibutyl phthalate solution of 3: 4-dihydroxydiphenyl into a vigorously stirred solution of gelatin containing saponin, and a similar dispersion containing 4-methoxy-1-naphthol. Development may be effected with an aqueous solution of sodium carbonate containing urea or other gelatin softener such as formamide, ethylene chlorohydrin, or sodium nitrate, and, after removal of excess moisture, successive transfers are effected. The last copies may be quickly heated in the presence of moisture to increase the optical density. The tanning developing agent only may be incorporated in the emulsion, and the non-tanning developing agent incorporated in the alkaline solution. A mixture of non-tanning developing agents (e.g. 2: 4-diaminophenol and isoascorbic acid) may be used.
Patent GB-251007-A (GB)
Title: Improvements in or relating to steam superheaters
IPC: F22G7/02
Filed: 1925-01-21
Abstract: 251,007. Superheater Co., Ltd., and Geer, H. E. Jan. 21, 1925. Fire and smoke tube superheaters. -In a steam superheater, particularly of the smoke tube type, the cross section of the steam passage increases progressively from inlet to outlet. The inlet 1 is of flattened cross section, becoming circular at the two ends 1<a>, 1<b>. The end 1<b> is united to two flattened tubes 2<a>, the ends 2<b>, 2<d> of which are circular. The cross sections of the tubes 1, the two tubes 2a and the outlet tube 4 increase progressively. Specifications 6304/15, 100,223, and 212,645, [all in Class 83 (iv), Metals, Working], are referred to.
Patent GB-571174-A (GB)
Title: Improvements in or relating to the production of photographic light-sensitive emulsions
IPC: G03C1/35
Filed: 1944-02-03
Abstract: The colour of the developed image in a silver halide emulsion is improved by applying to the emulsion a compound of the formula R1-CO-NH-NH-CS-R2, where R1 is H or a substituent group and R2 is NH2, substituted amino, hydrocarbon-oxy, or hydrocarbon-thiol. Compounds specified are acetylthiosemicarbazide, formyl - 4 - ethylthiosemicarbazide, 1 - carbaminylthiosemicarbazide, benzoyldithiocarbazinic acid methyl ester, acetyl-4 : 4 - diethylthiosemicarbazide, carbethoxydithiocarbazinic acid methyl ester and acetyldithiocarbazinic acid benzyl ester, which is prepared from benzyldithiocarbazinate and acetic anhydride or acetyl chloride. Acetyl-, propionyl-butyryl, furoyl- and cyclohexylcarbonyldithiocarbazinic methyl ester which are also mentioned are prepared from methyldithiocarbazinate and the appropriate acid chloride or anhydride in pyridine. Carbethoxydithiocarbazinic methyl ester is obtained from methyldithiocarbazinate and ethylchlorformate.
Patent GB-666145-A (GB)
Title: Improvements in or relating to fountain pens
IPC: B43K5/18
Filed: 1949-01-25
Abstract: 666,145. Reservoir pens. WYVERN FOUNTAIN PEN CO., Ltd., and HARRISON, D. Jan. 25, 1950 [Jan. 25, 1949], No. 1983/49. Class 146 (iii). An ink feed device for a fountain pen comprises a cylindrical feed bar 1 having an ink feed channel 5 on its upper surface, a transverse recess 8 on its lower surface communicating with the channel 5 through peripheral grooves 9 and a longitudinal air bore 10 open at both ends which extends the length of the feed bar and intersects the transverse recess 8. A tube 11 is press fitted into the bore 10 and extends into the reservoir 6 to serve as a .breather tube. During writing ink flows along the channel 5 to a capillary aperture 7 and thence along the slit 2a of the tubular nib 2. If the ink flow is excessive the peripheral grooves 9 fill and ink flows into the recess 8 until the bore 10 is blocked by the ink, thus causing a depression in the reservoir 6 on continuation of flow of ink therefrom, with the result that the ink flow decreases until the bore 10 is cleared of ink.
Patent GB-1403693-A (GB)
Title: Process for the production of polyurethane elastomers
IPC: B29C48/95
Filed: 1974-01-16
Abstract: Polyurethane elastomers made from diisocyanates, polyhydroxyl compounds (molecular weight 800-3500), glycols (molecular weight up to 300) and optionally triols (molecular weight up to 500) are produced in screw machines in the presence of lubricants. Self-cleaning, twin-screw machines with corotating screw shafts are used. In one screw zone therein, in which the kneading elements mix vigorously (kneading frequency up to 15 Hz), the critical reaction phase, in which the reaction mixture is highly tacky and has a viscosity of between 20 and 70 Pa.s, is passed through at a velocity gradient in the radial play between the comb and the housing wall of greater than 2000 s<-1>. The consequence of this is a homogeneous knot-free end product. The process enables the thermoplastic end product to be extruded directly with shaping.
Patent GB-667089-A (GB)
Title: Electronic control for contour milling machine
IPC: B23Q35/125
Filed: 1950-01-27
Abstract: 667,089. Copy milling machines. KELK, G. F. Jan. 27, 1950. [Jan. 29, 1949] No. 2197/50. Class 40 (i). A copy milling machine comprises feeler head containing a stylus whose pressure against a template alters the capacity of one or more of three condensers so that voltages dependant on the degree and magnitude of the pressure of the stylus are developed to operate a feed motor, which causes a cutter to reproduce the shape of the template on a work piece. As shown, Figs. 1, 2, a stylus 8 protruding from a feeler head unit is attached to a shaft 12 rigidly suspended between a diaphragm 13 and a spring 14. Also attached to'shaft 12 are the centre plates of three centrally perpendicular differential condensers 9, 10, 11, whose outer plates are fed from an HF oscillator valve 28, also housed in the main casing 7, the capacity between each outer and centre plate of the condensers being accurately adjustable by trimmer condensers. The feeler head is supported with the stylus against a template 44 (Fig. 5) fixed to a moving table 41. The variations in the surface of the template move the stylus 8'and hence the shaft 12, upsetting the balance of one or more condensers 9, 10, 11, producing an HF voltage in their centre plates, which is rectified and amplified at 38 (Fig. 4), to supply a feed motor 40 (Fig. 3) through a thyratron control unit 39, and move the work table 41 in a direction perpendicular to its normal travel, so that the depth of the cut on the work piece 46 reproduces the shape of the template 44. Excessive movement of the stylus 8 operates a safety switch 15, 16 to disengage the feed motor 40. The output voltages of the three condensers 9, 10, 11 may be combined (Fig. 4), or rectified and amplified separately to control the displacement of the work table in three mutually perpendicular directions.
Patent GB-432521-A (GB)
Title: Improvements in or relating to the lubrication of bearings
IPC: F16N7/12
Filed: 1935-01-23
Abstract: 432,521. Capillary-action lubricating. CROMPTON PARKINSON, Ltd., Arc Works, and MAJOR, C. W., 104, Vicarage Road, both in Chelmsford, Essex. Jan. 23, 1935, No. 2232. [Class 12 (iii)] A sleeve bearing, for small electric machines, is lubricated by a wick 15 the lower part of which dips into an oil well and the upper part 16 of which contacts the surface of the shaft 11 such as by passing through a hole 14 in the bearing sleeve 12. End thrust is taken up by a collar 20 on the shaft and a wick 22 passes through a duct 21 to lubricate the thrustfaces. The wick 22 engages the shaft only at the thrust bearing, and it may have the other end incorporated in the main wick 15. A plurality of ducts 21 and wicks 22 may be provided.
Patent GB-1501609-A (GB)
Title: Tube apparatus
IPC: F28F19/00
Filed: 1975-01-18
Abstract: 1501609 Heat exchange apparatus for chemical reaction VOLGOGRAD POLITEKHNICH INST 18 Jan 1975 2265/75 Heading B1X [Also in Divisions B3 and F4]   The invention relates to tube apparatus in which discharge of particles, e.g. porcelain balls, from heat exchange tubes 65 in which the particles are fluidised by upward flow of liquid is prevented by widened portions at the top of the tubes which slow down the upward flowrate of liquid therein, the apparatus being such that discharge of the balls through the lower ends of tubes 65 is prevented. The fluidised particles prevent the build up of deposits on the tube surfaces and destroy laminar boundary layers. The angle of core 76 may be somewhat less than the angle of rest of the particles. The apparatus may be used for exo- or endothermic reactions, for heating or cooling liquids, evaporation, condensation or as a still.
Patent GB-899040-A (GB)
Title: Improved gas burner
IPC: F23D14/58
Filed: 1960-01-21
Abstract: 899,040. Gas stoves; radiants. VERMOTGAUD, J. L. E. Jan. 21, 1960 [Jan. 22, 1959], No. 2275/60. Class 126 A stove comprises a ceramic plate burner and a chimney 10 perforated over its whole height and mounted above, and slightly spaced from, the burner plate and on its vertical axis. The chimney 10 may be supported by the burner or, as shown, by independent means 11. Secondary air for combustion enters below the chimney and through the perforations causing the flame to burn through the whole chimney and ensuring complete combustion. The chimney 10 may be partially surrounded by a reflector and may support a plate-type grill at its upper end or a rotary grill mounted within the tube adjacent its upper end.
Patent GB-1444212-A (GB)
Title: Waistband fabric
IPC: D03D15/56
Filed: 1975-01-20
Abstract: 1444212 Woven fabric JOHNSON & JOHNSON 20 Jan 1975 [21 Jan 1974 1 May 1974] 2359/75 Heading D1K An elastic fabric comprises sets of elastomeric yarns, 16-16""", e.g. rubber or spandex cored yarns and nonelastomeric yarns 15- 15""", yarns of the respective sets being interwoven in a reverse leno weave. Adjacent elastomeric yarns e.g. 16, 16' are disposed on opposite faces of the fabric. The outermost elastomeric yarns 16, 16""" are on the same face and are woven in a reverse leno weave with respect to each other. Texturized warp yarns may be included in a satin weave.